The
Wireless Diagnostics
• ICMP Ping - tests the wireless network connection.
• Trace Route - tests a connection at the network layer between the vehicle computer and any place on the
network.
• Known APs - displays the APs in range using the same ESSID as the vehicle computer.
• Quit - Exits the
Wireless Diagnostics
Option windows contain a back button
ICMP Ping Window
The
window allows testing a connection at the network layer (part of the IP protocol) between the vehicle
ICMP Ping
computer and an AP. Ping tests only stop when you tap the
application, or if the vehicle computer switches between infrastructure and ad-hoc modes.
To open the
ICMP Ping
ICMP Ping Window
Figure 4-43
To perform an ICMP ping:
In the
field, enter an IP address or select an IP address from the drop-down list.
1.
IP
From the
drop-down list, select a size value.
2.
Size
Tap
. The ICMP Ping test starts. Information of the ping test displays in the appropriate fields.
3.
Start Test
Trace Route Window
traces a packet from a computer to a host, showing how many hops the packet requires to reach the
Trace Route
host and how long each hop takes. The
The
window allows testing a connection at the network layer (part of the IP protocol) between the
Trace Route
vehicle computer and any place on the network.
To open the
Trace Route
window contains the following options. Tap the option to display the option window.
window.
to return to the
window, tap the
ICMP Ping
Trace Route
window, tap
Trace Route
Wireless Diagnostics
button, close the
Stop Test
in the
Wireless Diagnostics
utility identifies where the longest delays occur.
in the
Wireless Diagnostics
Wireless Applications 4 - 31
window.
Wireless Diagnostics
window.
window.